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FR1510749A - Perfectionnements aux membranes osmotiques - Google Patents

Perfectionnements aux membranes osmotiques

Info

Publication number
FR1510749A
FR1510749A FR94433A FR94433A FR1510749A FR 1510749 A FR1510749 A FR 1510749A FR 94433 A FR94433 A FR 94433A FR 94433 A FR94433 A FR 94433A FR 1510749 A FR1510749 A FR 1510749A
Authority
FR
France
Prior art keywords
osmotic membranes
osmotic
membranes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR94433A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aerojet Rocketdyne Inc
Original Assignee
Aerojet General Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aerojet General Corp filed Critical Aerojet General Corp
Application granted granted Critical
Publication of FR1510749A publication Critical patent/FR1510749A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/10—Esters of organic acids, i.e. acylates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/16—Swelling agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR94433A 1966-02-21 1967-02-10 Perfectionnements aux membranes osmotiques Expired FR1510749A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53849866A 1966-02-21 1966-02-21

Publications (1)

Publication Number Publication Date
FR1510749A true FR1510749A (fr) 1968-01-19

Family

ID=24147164

Family Applications (1)

Application Number Title Priority Date Filing Date
FR94433A Expired FR1510749A (fr) 1966-02-21 1967-02-10 Perfectionnements aux membranes osmotiques

Country Status (3)

Country Link
US (1) US3444286A (fr)
FR (1) FR1510749A (fr)
GB (1) GB1119303A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE728989A (fr) * 1968-03-12 1969-08-01
US3954925A (en) * 1972-12-20 1976-05-04 Gesellschaft Fur Kernenergieverwertung In Schiffbau U. Schiffahrt Mbh Method of making semi-permeable asymmetric membranes for reverse osmosis
JPS5738801A (en) * 1980-08-21 1982-03-03 Chisso Corp Production of porous spherical cellulose particle
CA1168007A (fr) * 1982-02-10 1984-05-29 Thomas A. Tweddle Methode de prise de membranes en polysulfone coule
US5096586A (en) * 1990-08-28 1992-03-17 Regents Of The University Of California Membranes having selective permeability
US5766839A (en) * 1994-06-17 1998-06-16 Ysi Incorporated Processes for preparing barrier layer films for use in enzyme electrodes and films made thereby

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283042A (en) * 1963-08-23 1966-11-01 Univ California Method of forming porous membranes
US3250701A (en) * 1965-09-15 1966-05-10 Aerojet General Co Stabilization of desalination membranes

Also Published As

Publication number Publication date
US3444286A (en) 1969-05-13
GB1119303A (en) 1968-07-10

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